Stopping device for spinning and doubling machines



July 2.1,' 1931. E. sTuTz-BENz 1,815,743

y STOPPING DEVICE FOR SPINNING AND DOUBLING MACHINES VFiled sept. 5, 1928 5 sheets-sheet 1 July 21, 1931. E. sTiJTz-Brmz 1,315,743

l STOPPING vDEVICE FOR :SPINNING AND DOUBL'ING MACHINES Filed sept'. 5. 192e f asneets-sneet 2 July 21, 1931. E. sTu'rz-BENz l 1,8l57.`,43

STOPPING DEVICE FOR SINNINU ANU' QUUBLIHG IAGHINES med sepa.. 5. 1928 v :s Sheets-sheet s )rama my* zi'e'igsi 'Y i;niJsiEReoN-TnnTWARTHE, GERMAN; I

s'ropriivefiiivicn non 'sriiiiviive' AiinrnonnL-NG'MAciiiivEsf l Apbiiatidiniiseptember; ieaserial No'. 9,674,162fami'in` eemay september 263927.@ s

i' invention relates to imp'rovements,inV

stopping devicesfolispinningidoublinggand' similar'textilefrnachines Y f f fr j Ifthe'tliread breaksatthe flyer arm or ad-f j jacent portions 'of 'fa spinning lor "doubling frame, the materialffed `tothe Hyer, beingjno longer consumed, *accumulates on they spin-k ning benchy or railfa'nd passes into the reach V of thefadjacent,spinningdevices, where ity 1o causes further' thread 1b`reakages; if they at-y tendant does not quickly' interrupt .the .supy VV` ply by 'knoeking olf the sliver ahead 4of the Y supply cylinder.r` This knockngyof andthe i-subsequentf.reintroduction of the material '15 'bet'weenthe supplyfcylinder@k and the draw orl feed" roller involve a considerable 'expen-rv j I l dituiefof labor and thus :reduce-the rod'uci tion. Special's'topping or knocking o vmech:

.byV not -interrupting'y the {supply`- quickly enough, others'areexpensiveand badlyaccessible so that-incase offbreakdow'ns,y such as vare caused `by"'thefentanglementoffibres, a `t' 'so considerable expenditurefof time"rand rlabor is necessal'fyl beforerwork" can be'resumed."

' Y 1- A Simplev and inexpensivestopping device Some'einbodi'ments oi'frrnyy inventionwill l l r` 'now be described with referencetoithedrawings affixed-hereto and'forining part aofmy specicatijo'n.V `The drawingsA illustrate in* Fig y.l'la'side elevation ofthe essential parts 15575; -r jefa spinning machine or frame and my intr,y proved stopping device,

jFi'g. '2 a front elevation of the machine,y with the supply rollersomitted for the sake of cl'earness-,r Y Y Y f v n' F ig.13 my improved stopping orknocking olidevice on an enlarged scale in slightly modified formand in inside elevation,v

the spinning position',

according toFig. 3 except modified in slight details .and iii operative 'stoppingy position,y

Fig. 5 a iront elevation ofFig fFig. 6 a horizontalsection through Fig.

f 3 Online 6&6, with certain fele'inent's iemfived7 7 0 f v ig.7 the vstopping devicein thespinning Y y position4v with fa; modilied "constructionffof 7 yrocking'frainei andy 'N ,'Fig.- 8a rocking ffrai'ne provided at/one sidezonly with an inclined plane'forf`actu- 7,5 1 ating thefraine by theknocking'oft1 arm; 1" Y i Like parts are indicated by Vlikefletters of referencethroughout--all-the 'figures' ofthe Referring tothe drawings, a is thesupply. .89

shafiyb a :supplyor delivery cylinder mount! ed upon it and ofthe ,cooperating draw roller Fig' 4 the Stopping'device `substantially oi f j vice,V Vwhich adaptedto .bejoperated simul-v` isaccording to inyiinventionobtained by journalingthedrazw orffeed vroller Vin VVa pre'affv ".35" erably open rocking frame, `fork 0r the likeYK adapted to, beswung -downwards or backfv wards and kto,therebyjreinove the' draw roller t from the supply i 'cyli'nderivr 'Preferably a le'verflocated in rontf rdirtheffranie is em# 4G ployedr-for' thepurpose, which is depressed '.byfthe operatoriandwhich,byy means offa" detent,trocks the frame and thereby'renioves the'jfedroller: f 1 lfurther "feature of my invention:l is,' thatk 45.1 in front 'of the feed"inechanisnu for the'spinning;materialtoithe supply cylinder isprot `lj vfided a peculiarreliablyactingclaniping de#V supported with its journal 'pins' alf :openly infy thefork-shaped'portionof a bracketxevhavfy ing arearwardlyy extending arm carrying the weight g. This bracket is suspended' from bolts f byv means of hook-shapedifopen bea'rf, ingsl'inl The` suspension bolts are in' their turiifixed ink brackets It xed by screws e on a horizontalirail vugrrunning past a number'of 30 spindles.' y y A y y y i 'f Injthe bracketsfhare yalso fixed pivot pins Y I@ jupon which rock the lstopping levers" L i The stopping detent Z of eachjlevery is l`o-y j catedwithin they reachofthe extension'm of y 5 thebracke't e, which extension is provided with an inclined yface as shown; "lhev side elevations showny in Figs.y 3' 'andf sly with thedrawV rollerfjoperating; N4 show,.so far as the main features' O'tlie'di -l tion,-except'that Fig. Sshows thatthe suspension of the bracket e from the bolts fr' may, equally well, be effected in a different way. The v'bolts are'hereembraced from the front or from the back, for instance for oneV spindle, by two hooks o, one on each side of the Vdrawzrollemand for the adjacent, spindle vby .a lrooleshaiped member w "located,v iin Vthe central plane' of theroller. yFig. 4l in par# ticular shows how inranyof' the modiiica-l tions, Figs-1f tof 4"-, by 4depreseing handle pi the swinging, bracket eis depressed whereby l the draw roller cris;y separated1` from tile de- 'y livery cylinder fb, whichstops the Vfeedingy of thematerial; Y

thespentail.v partsfnecessa-ry for stopping the i .supply dofnotintertere with( the. supply itself andinaylbe clearlyand easily aceessibly arte;l between twoi adjacent pairs` of, stopv-V l pifngydeviees, to either untangle; accumulated raw material or, if necessary-y to unhook the entire; roelring Vtraineesdescribed. This is not possible where each. stopping device has its individu bramka@ and. when a lar ge ninnber of suoleV devices nnist'be accommodated within-a given length oli inaohinel Secondly, building the. 'maehinaE thus only half the number off brackets and. finished seats 'tor' brackets need be'proxridedon raily u, which materially lessens the cost, of construction ot that panter the, machine.:

. f Above; the corrtactpoi'ntsot the; supply' .and drawl rollers. or cylinders, there4 is as a rule-ineyery'spinningmaohine, andassliown ,ini Fig. 1,',looated a guide rail'gwitlitlieilioles V.s,.which are usually horizontally recipro-v V catedby` about three quarters. ofthe widthoi theI rollers; bovethis' railtl'rere niayas shown in. Eigs. 3f andY 4 o tflthe drawings,.-be provided ai secondV rail. r with holes t.. Ithe rail Q isstati'onary, as 'indicated in'v Fig. 3,. the rail-oa will'lilewise be. madfestationary., Elon; the, other hand', the, rai-lf Q performs a side. motion,.the..rail' rwifll be'marl'e to. partici` pate. in; this rinoti'oln, which easily be brought about by connecting the two rails` witlieaoli.' otherA by'a vseb.V y, as shown YinA Figi ,Y j

In the; spaceybetween thefrails g and r; is

provided a. gripper 0., which .isconnected with the lever an arm.. Infthenormal v6W; operation ot'the spindle theJ gripperY o is. so

located`,f that it does, not. interfere Withftlie passage ofthe spinningmaiterial throughvtle holes-gt and 87;.-in case the; operator-liasfdepressed' VFever z' te Vvstop.V material `i',eedii'i.,g g as drawn intoa loop towards the vfront by the gripper 0 andV in VVthisway Atrictionally clamped against rails Q and r. VThe substantialdifference as compared with the hitherto employed clamping! devices residesin the fact, that by the present device the spinning material supplied isdeectediroln its Vnore mal-ly straight path into ayloopi and held thereby, rather than by pinching of the spinning material employed in the prior art. It

loe-understood?, vhowever,ftliat-"this second f rail?l is not absolutelynecessary and for this reason it has been omitted'in the Figs, l and 2 of I the, drawings .wherera Y. loop may also bel orm-ed'by gripper o, when 'lever""`z'is Vde-y Y pressed@ c Fromy Eig." "Ti f of the .drawing/,Si will. seen, that the free arniothe-'braclret ewliieh carries weighty may also be provided as anof the dra-w roller. engages below 'the axis, off

supply on one armi of Y Since the force edecting baclf onlt'heother hand', the same stressesare set up 'Y during theY operation lof the spinningklnaf Viol) l. In afspinning or doulilingL machine of' i f the character described,l a stopping device `for theY raw: material, comprising in combination-5 a stationary bracketmounted iip'onA arail extending across l they Width of said machine, a rocking Vframe,suspended tromi said stationary bracket and having bearingsopen at ythe A top ,3 a drivenf, supply cylinder, a3 draw roller. carriedfby sail rocking-rarnein said bearings and held in. Contact with saidsupq ply cylinder by the weightot said`A traina-a stop-ping lever pivoted on the machine, a de:- tent on 'said stopping lever, anda bevelled` extensionv on said rockingl frame in tronto-f saidy openv bearing. and'f'extendingintothe pathI of, said detent when vsaid. stopping lever is rocked into stopping position, said.` detent adaptedtoi swing said Jframe into a position,

inwhichrsaid.. draw roller'is removed from ve. in a, spinning or feoutiingfmehinef or kling Iacross y'the width o'fsaid machine, alrocking frame removably' suspended", from said i, vbracketandehaving 'bearingsopen atjthe top, a drivensupply ,cylinderpaj draw rollerlcai- ,ried by said Vrocking frame in said bearings l and heldin Contact withv said supply cylinder" bythe weight yof saidfzf'frame,,a,stopping aaaioafy brake @med-'uren a fail ef f tending across the width of said machine, a j

rocking :framef 'removably suspendedlfrom said stationary 'braolietand having bearings open atthe top, a driven supply cylinder, a

draw roller carried by said rocking frame in said bearings andheldin contact with'said rY supply 'cylinderby the weightof said frame,

'a' stopping vlevery pivoted; on the Amachine,

means actuated bysaidstopping lever for clamping the materiahaA detentA on said sto j ping lever, yand a `be'velled yextension on Jsai 5' rocking frame in. frontof saidk open bearing *to stoptheffeedinglof materia,

^ 20 i f the character desc`ribed,.astopping device for 8.. In' a spinning. `or doubling machine of the rafw material', comprising in combination,

'a'fstationa'ry bracket mountedcupon a rail extending-acrossjthe widthy of said machine, la rockingy frame'v removably vsuspended,v` from J l ksaid stationarybracketrand having bearings Y Said ybearings afraid/incollata with Said supply cylinder by saidv frame, acguide rail yhaving a guide hole" fortlie spinning material,located above said supply'cylinder'and draw roller, a stopp-ingllever'pivoted on said stationary bracket, said stopping lever carry-` ing a gripper in the shapeof a substantially` cylindrical member disposed parallel to the ucylinder and Y roller axis, said ygrip-perv being located a'shoit'distanceabo-ve saidy guide rail and adjacent tosaid.fmateiiaLfand a second v guide rail'locatedlabovesaid'first guiderail 'and said gripper'and havinga guide hole for ythe material in line with theguide hole of the Y' Y "first guide'rail, said gripper'beingV adapted to loop the material between the two guide `Vrailsv to clampthe materiahjwhen the lstopping lever is depressed@ 1f 4, In a spinning, doubling or similar texmaterial, comprising Yin coinbinatiomaf` sta- Vai' tile machine, a Istiippingldevice kfor fthe: raw

Vtionary'bracket mounted upon a rail extendrial,'a detent on said; stopping lever, a bev-y elled extension on said rocking frame in front",

i' Y of said iopen bearing/and extendinginto'the path of said detent ywhen the stoppinglever isfinoved Vinto stopping position, ra stop on v Sfsaid extensionlifor, said detentgsaid detent from saidbracket and having bearings; open at the top, a driven supplycylinder, a* draw `roller carried by saidrocking frame in said f 'n -ply'cylinderby the weight of said kfranie,fa

; between y adjacent :whenin rstopping position adapted gtolock" 'y 'i said: krocking .frame in E. a "position, in which ysaidy draw' roller Eis removed from? said: sup-` l ply cylinder to stop the feeding of material. f c, I y5.# In la .spinning or doubling machine of the character described, a! stopping device for therawvmaterial, comprising in combi?y *A nation, a stationary bracket mountedupona f rail extending across the width of "saidma f f' chine, :a rocking frame removably suspended bearings and held in kcontact with said'A supgiiide rail having a guide hole for the spin-Vy ningmaterial, located above said supply cyl-f' inder and drawy roller, a stopping lever pivoted on said. bracket, kksaid stop ing lever i p carryinga grippeilin the shape o a substan-y j ftially cylindrical member disposed parallel to the cylinder and roller axis, lsaid grippery beingflocated a short distance above said guide rail and adjacent to said material; and i adapted tofloop kthe material between said,

n l v f guide hole and said gripperto clamp the open at the top,.a`driven,supply cylinder, a Y ydraw roller carriedfby said rockingframe in f material against said guide rail when the stopping leveris depressed.

6.,Ina spinning, doubling or similarftex' f tile machine, a stopping device, for the raw material, comprising in combinatioina single 'v stationary .bracket mounted upon a rail exy draw roller for each of said cylinderscariy ried by one yof said rocking frames, and con- .,tacting with its pertaining' supplyy cylinder,y iy

yand one stopping lever foreach framepivotedon and located at each ,side of isaid 'i bracketfor deflectingthe pertaining frame creased. f

n 7. Iny a'spinning, doubling or similartexl'," A, y

tile machine, a stopping devicefor thera'wV Vmaterial, "comprising in combination, a sin- "1 of said( bracket,one extension of each framef each ,of saidv cylinders carried by one of said rocking'frames and contacting with'itsper# A"soY f to disengagethe draw roller from itsy cylinf'` der, whereby through the' close mountingoff I' a pair` ofy independent frames onf al single bracket accessibilityy to each stopping device? pairs of frames is in` 1 gle stationary bracket mounted upon a rail f extending across the width of said machine, 7 two rocking frames suspended closely lad-1 n f yjacent to `one another` on-said bracket,y oneg4129 l on each side thereof, each of'said'elem'ents l having two extensions' with upwardly in 7@ clined end faces, one stopping levery foreach n frame, pivoted on and located at each side having its face located inthe pathvof theyiflv stopping lever pertaining to thatframe, two

driven supply cylinders, a ydraw yrollerffor iis iso,y

' ada'lated ton'ndependently; de'ect its/fname A for: di'siengaging;13h-ezpenatnngr dnaiwl roller l ".fromiits supply, cylinder; whereby thnough i llthefclose; mounting; fof-a; paf' of' independent frames on ya. single; bracket accessibility to ezxehzstoppngfdevcebetween adjacent-,pairs Y 

